MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8faac78f80a1ae49c5c8d4272d7ec9d6aa9676b94a31c634a2786a9a2d802e34. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Formbook


Vendor detections: 17


Intelligence 17 IOCs YARA 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8faac78f80a1ae49c5c8d4272d7ec9d6aa9676b94a31c634a2786a9a2d802e34
SHA3-384 hash: 1b3e0079e1787a57b1221ebbc67d6ca394096c456d74b81ebcdade12cce31b04ca70035a01f97966b0a32e0f17ab0e6d
SHA1 hash: 1873343fd44faddbd90839f049ec8d999809349f
MD5 hash: ed44112a2808a611d1c3a1cb5765a066
humanhash: papa-potato-lion-nitrogen
File name:8faac78f80a1ae49c5c8d4272d7ec9d6aa9676b94a31c634a2786a9a2d802e34
Download: download sample
Signature Formbook
Create hunting rule
File size:1'285'632 bytes
First seen:2025-10-10 06:27:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1895460fffad9475fda0c84755ecfee1 (296 x Formbook, 52 x AgentTesla, 35 x SnakeKeylogger)
ssdeep 24576:n5EmXFtKaL4/oFe5T9yyXYfP1ijXdamddu4lUIL3FR0Z6:nPVt/LZeJbInQRamGmUIj7
TLSH T1A655AE023FD28062FFE791374F96EE315ABC79E60133A52F13580979B9701A15A3E663
TrID 40.3% (.EXE) Win64 Executable (generic) (10522/11/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
67
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8faac78f80a1ae49c5c8d4272d7ec9d6aa9676b94a31c634a2786a9a2d802e34
Verdict:
No threats detected
Analysis date:
2025-10-10 06:50:02 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/24a572c2-a869-4bda-9065-72089aea8c04

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/32025/
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68e8a7d98b7b147cc4b6884b
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Сreating synchronization primitives
Sending a custom TCP request
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug autoit compiled-script evasive fingerprint keylogger microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/68e8aa6471883144ef2fe47d/reports/ce01de8b-8e8e-483d-a08f-d5a312298801/overview
Verdict:
Malicious
Labled as:
Cerbu.Generic
Link:
https://www.hybrid-analysis.com/sample/8faac78f80a1ae49c5c8d4272d7ec9d6aa9676b94a31c634a2786a9a2d802e34
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-12T11:34:00Z UTC
Last seen:
2025-09-18T20:56:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/8faac78f80a1ae49c5c8d4272d7ec9d6aa9676b94a31c634a2786a9a2d802e34/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/73906b34-aac3-4009-bbf1-ae353d9dc4ef
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8faac78f80a1ae49c5c8d4272d7ec9d6aa9676b94a31c634a2786a9a2d802e34
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8faac78f80a1ae49c5c8d4272d7ec9d6aa9676b94a31c634a2786a9a2d802e34/
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2025-09-12 20:05:55 UTC
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=r6vmpd4augxetroi2qts27wj22vjm5vzjiy4mnfcpbvjulmafy2a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/251010-hfdtnavxg1/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/c20d2829-8b37-4e35-a552-32376cfab705
Unpacked files
SH256 hash:
8faac78f80a1ae49c5c8d4272d7ec9d6aa9676b94a31c634a2786a9a2d802e34
MD5 hash:
ed44112a2808a611d1c3a1cb5765a066
SHA1 hash:
1873343fd44faddbd90839f049ec8d999809349f
Link:
https://www.unpac.me/results/66327cfe-296a-4bcf-aaae-244d24125609/
SH256 hash:
1b21e6b82ceb889d0de8455a4550d3d9820501df663dea37e528eff7ffd8da0d
MD5 hash:
c81f1ce76c5c7b6e2358fe6f275013b3
SHA1 hash:
a8ba0064eab8a99fb832f88b77a77522844a0930
Link:
https://www.unpac.me/results/66327cfe-296a-4bcf-aaae-244d24125609/
SH256 hash:
42e265bbf82a8d04fe3bfb3e93c5e4b5ceabe43769bc2291fe20990e4dfbc92b
MD5 hash:
5334f67cbf8fdc52468e77a0d5ec3561
SHA1 hash:
118e830664f62f73bdd534bc2c29cb7de1a82ab5
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/66327cfe-296a-4bcf-aaae-244d24125609/
Parent samples :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 note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8faac78f80a1ae49c5c8d4272d7ec9d6aa9676b94a31c634a2786a9a2d802e34

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
Create hunting rule
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:TH_Generic_MassHunt_Win_Malware_2025_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Windows malware mass-hunt rule - 2025
Reference:https://cyfare.net/

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/32025/

Comments